Textron Lycoming O-235-C - Page 21

LYCOMING OPERATOR’S MANUAL SECTION 2
O-235 AND O-290 SERIES SPECIFICATIONS
SPECIFICATIONS (CONT.)
O-235-H
FAA Type Certificate ....................................................................................................................................223
Take-off horsepower......................................................................................................................................115
Take-off RPM..............................................................................................................................................2800
Rated horsepower...........................................................................................................................................108
Rated RPM...................................................................................................................................................2600
Bore, inches.................................................................................................................................................4.375
Stroke, inches..............................................................................................................................................3.875
Displacement, cubic inches.........................................................................................................................233.3
Compression ratio..................................................................................................................................... 6.75:1
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. drive rotation (viewed from rear)..............................................................................................Clockwise
Firing orders............................................................................................................................................ 1-3-2-4
Spark occurs, BTC.........................................................................................................................................25°
Rocker clearance, cold......................................................................................................................... .007/.009
O-235-K2C
FAA Type Certificate ....................................................................................................................................223
Take-off horsepower......................................................................................................................................118
Take-off RPM..............................................................................................................................................2800
Rated horsepower...........................................................................................................................................115
Rated RPM...................................................................................................................................................2700
Bore, inches.................................................................................................................................................4.375
Stroke, inches..............................................................................................................................................3.875
Displacement, cubic inches.........................................................................................................................233.3
Compression ratio....................................................................................................................................... 8.5:1
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. drive rotation (viewed from rear)..............................................................................................Clockwise
Firing orders............................................................................................................................................ 1-3-2-4
Spark occurs, BTC.........................................................................................................................................20°
Rocker clearance, cold......................................................................................................................... .007/.009
NOTE
Engine models are categorized according to their basic series. Any model that varies in
specification within a series is listed separately.
Spark advance is also found on nameplate.
2-3